#include<cstdio>
int T[2][2097152];
long long d[2][20];
int main()
{
long long r=0;
int i,j,k,n,m;
scanf("%d%d",&n,&m);
for(i=0;i<2;i++)for(j=1;j<(2<<n);j++)T[i][j]=1;
for(i=0;i<2;i++)for(j=0;j<n;j++)d[i][j]=1<<j;
while(m--)
{
scanf("%d%d",&i,&j);
j+=(1<<n)-1;
T[i][j]=-T[i][j];
for(k=n-1;j>>=1;k--)
{
r+=d[0][k]*d[1][k];
d[i][k]-=!!T[i][j];
T[i][j]=0;
if(T[i][j<<1]==T[i][(j<<1)+1])T[i][j]=T[i][j<<1];
d[i][k]+=!!T[i][j];
r-=d[0][k]*d[1][k];
}
printf("%lld\n",(r<<2)+1);
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
17472 KB |
Output is correct |
2 |
Correct |
0 ms |
17472 KB |
Output is correct |
3 |
Correct |
0 ms |
17472 KB |
Output is correct |
4 |
Correct |
0 ms |
17472 KB |
Output is correct |
5 |
Correct |
0 ms |
17472 KB |
Output is correct |
6 |
Correct |
0 ms |
17472 KB |
Output is correct |
7 |
Correct |
0 ms |
17472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
17472 KB |
Output is correct |
2 |
Correct |
0 ms |
17472 KB |
Output is correct |
3 |
Correct |
0 ms |
17472 KB |
Output is correct |
4 |
Correct |
0 ms |
17472 KB |
Output is correct |
5 |
Correct |
0 ms |
17472 KB |
Output is correct |
6 |
Correct |
0 ms |
17472 KB |
Output is correct |
7 |
Correct |
0 ms |
17472 KB |
Output is correct |
8 |
Correct |
0 ms |
17472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1540 ms |
17472 KB |
Output is correct |
2 |
Correct |
1468 ms |
17472 KB |
Output is correct |
3 |
Correct |
1332 ms |
17472 KB |
Output is correct |
4 |
Correct |
1508 ms |
17472 KB |
Output is correct |
5 |
Correct |
1432 ms |
17472 KB |
Output is correct |
6 |
Correct |
1524 ms |
17472 KB |
Output is correct |
7 |
Correct |
1548 ms |
17472 KB |
Output is correct |
8 |
Correct |
1464 ms |
17472 KB |
Output is correct |
9 |
Correct |
1344 ms |
17472 KB |
Output is correct |
10 |
Correct |
1368 ms |
17472 KB |
Output is correct |
11 |
Correct |
1428 ms |
17472 KB |
Output is correct |
12 |
Correct |
1464 ms |
17472 KB |
Output is correct |
13 |
Correct |
1344 ms |
17472 KB |
Output is correct |